diff options
| author | tromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-03-09 18:47:54 +0000 |
|---|---|---|
| committer | tromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-03-09 18:47:54 +0000 |
| commit | c44de8ab02bf815fb920a2e6f1e6e16aadf05b07 (patch) | |
| tree | 744b26f2524a58c1a0d12f1c85353fc349623374 /libjava/java | |
| parent | 595e90415cd831dfd3680ccdb134f5f71392a88e (diff) | |
| download | ppe42-gcc-c44de8ab02bf815fb920a2e6f1e6e16aadf05b07.tar.gz ppe42-gcc-c44de8ab02bf815fb920a2e6f1e6e16aadf05b07.zip | |
* win32.cc (_Jv_platform_nanotime): New function.
* include/win32.h (_Jv_platform_nanotime): Declare.
* posix.cc (_Jv_platform_nanotime): New function.
* include/posix.h (_Jv_platform_nanotime): Declare.
* java/lang/natSystem.cc (nanoTime): New method.
* java/lang/System.java (nanoTime): Declare.
* include/config.h.in, configure: Rebuilt.
* configure.ac: Check for clock_gettime.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@111869 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/java')
| -rw-r--r-- | libjava/java/lang/System.java | 11 | ||||
| -rw-r--r-- | libjava/java/lang/natSystem.cc | 8 |
2 files changed, 17 insertions, 2 deletions
diff --git a/libjava/java/lang/System.java b/libjava/java/lang/System.java index 005cba1397c..8ba0e8960cb 100644 --- a/libjava/java/lang/System.java +++ b/libjava/java/lang/System.java @@ -1,5 +1,5 @@ /* System.java -- useful methods to interface with the system - Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 + Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -208,6 +208,15 @@ public final class System public static native long currentTimeMillis(); /** + * Get the current time, measured in nanoseconds. The result is as + * precise as possible, and is measured against a fixed epoch. + * However, unlike currentTimeMillis(), the epoch chosen is + * arbitrary and may vary by platform, etc. + * @since 1.5 + */ + public static native long nanoTime(); + + /** * Copy one array onto another from <code>src[srcStart]</code> ... * <code>src[srcStart+len-1]</code> to <code>dest[destStart]</code> ... * <code>dest[destStart+len-1]</code>. First, the arguments are validated: diff --git a/libjava/java/lang/natSystem.cc b/libjava/java/lang/natSystem.cc index 0a4c8b9a0f7..42a13258daf 100644 --- a/libjava/java/lang/natSystem.cc +++ b/libjava/java/lang/natSystem.cc @@ -1,6 +1,6 @@ // natSystem.cc - Native code implementing System class. -/* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation +/* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2006 Free Software Foundation This file is part of libgcj. @@ -124,6 +124,12 @@ java::lang::System::currentTimeMillis (void) return _Jv_platform_gettimeofday (); } +jlong +java::lang::System::nanoTime () +{ + return _Jv_platform_nanotime (); +} + jint java::lang::System::identityHashCode (jobject obj) { |
